1089808161180 has 24 divisors (see below), whose sum is σ = 3051462851472. Its totient is φ = 290615509632.

The previous prime is 1089808161179. The next prime is 1089808161203. The reversal of 1089808161180 is 811618089801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9081734617 + ... + 9081734736.

It is an arithmetic number, because the mean of its divisors is an integer number (127144285478).

Almost surely, 2^{1089808161180} is an apocalyptic number.

1089808161180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1089808161180 is an abundant number, since it is smaller than the sum of its proper divisors (1961654690292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1089808161180 is a wasteful number, since it uses less digits than its factorization.

1089808161180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18163469365 (or 18163469363 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 51.

The spelling of 1089808161180 in words is "one trillion, eighty-nine billion, eight hundred eight million, one hundred sixty-one thousand, one hundred eighty".